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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 0 |
| 4 | 7 |
| 5 | 3 |
| 6 | 25 |
| 7 | 0 |
| 8 | 127 |
| 9 | 63 |
| 10 | 415 |
| 11 | 15 |
| 12 | 2023 |
| 13 | 963 |
| 14 | 6553 |
| 15 | 0 |
| 16 | 32767 |
| 17 | 16383 |
| 18 | 106495 |
| 19 | 4095 |
| 20 | 518143 |
| 21 | 246783 |
| 22 | 1677823 |
| 23 | 255 |
| 24 | 8388223 |
| 25 | 4193343 |
| 26 | 27261343 |
| 27 | 1044495 |
| 28 | 132638695 |
| 29 | 63161283 |
| 30 | 429496729 |
| 31 | 0 |
| 32 | 2147483647 |
| 33 | 1073741823 |
| 34 | 6979321855 |
| 35 | 268435455 |
| 36 | 33957085183 |
[1,0,1,0,7,3,25,0,127,63,415,15,2023,963,6553,0, 32767,16383,106495,4095,518143,246783,1677823,255, 8388223,4193343,27261343,1044495,132638695, 63161283,429496729,0,2147483647,1073741823, 6979321855,268435455,33957085183] |